On 27/06/2017 18:36, rohan gupta wrote: > I am a beginner in Virtualization and have just started a project on > KVM. I want to record events at KVM level in a log file and then > replay logs for further analysis. I am trying to implement the logic > of research paper V2E (link below). I am trying to change mmu.c file > in KVM code base. Since I have made changes to kernel module, I need > to remove KVM module using command 'modprobe -r kvm' and trying to > insert modified kernel object using 'insmmod > /home/rohan/kvm-kmod/x86/kvm.ko' and run command 'dmesg | grep kvm' > and output has 'kvm_intel: module verification failed: signature > and/or required key missing - tainting kernel'. and kvm stop working. > I google the issue and cannot find any credible solution. Tainting the kernel should not prevent KVM from running. What other messages do you get in dmesg? Where are you taking kvm-kmod sources from? Paolo
